£6,391.03 excl. VAT
£7,669.24 inc. VAT
Automatic Titrator for the volumetric KF titration
The TitroLine 7500 KF is the universalist for the volumetric Karl Fischer titration with a wide operating range of a few ppm - 100% water content. The addition of the solvent and the extraction of the titrated sample are carried out by the titration stand TM 235 KF at the push of a button.
General features
Specific features for the TitroLine 7500 KF
| Measuring input µA/KF: | μA-connector for double platinum electrodes, connection: 2 x 4 mm - sockets) polarization voltage variably adjustable |
| Interfaces: | 3 × USB (2 x USB-A and 1 × USB-B), 2 × RS-232-C and 1 x LAN |
| Interchangeable burettes | 5, 10, 20 ml or 50 ml intelligent interchangeable burette units |
| Resolution (Steps): | 20.000 steps |
| Dosing accuracy: | according to DIN ISO 8655, part 3: accuracy: < 0.15 % precision: < 0.05 - 0.07 % (in dependence of the used burette size) |
| Display | 3.5 inches - 1/4 VGA TFT graphic colour display with 320 x 240 pixels |
| Housing material | Polypropylene |
| Dimensions | 15.3 x 45 x 29.6 cm (W x H x D), height with interchangeable head |
| Front keyboard | Polyester coated |
| Material interchangeable burettes | Valve: PTFE/ETFE; Cylinder: borosilikate glass 3.3 (DURAN) hoses (FEP, blue) |
| Weight | 2.3 kg for basic device, 3.5 kg for complete device with interchangeable head (with empty reagent bottle) |
| Ambient conditions | Ambient temperature: + 10 ... + 40 °C for operation and storage Humidity according to EN 61 010, Part 1: max. relative humidity 80 % for temperatures up to 31 °C, linear decrease down to 50 % relative humidity at a temperature of 40 °C |
| Power supply: | 100-240 V; 50/60 Hz, power input: 30 VA |
| CE-sign: | EMC compatibility according to the Council Directive: 2004/108/EG; applied harmonized standards: EN 61326-1:2006 Low-voltage directive according to the Council Directive 2006/95/EG Testing basis EN 61 010, Part 1 |
| Titration stand TM 235 KF | |
| Pump | Free volume flow- air-: flow rate 2.25 l / min Delivery pressure max. 1.5 bar. Flow rate liquid medium ca. 0.8 l / min |
| Stirring speed | 50 ... 1000 U/min |
| Hoses | PVC- hose (outer diameter 6 x 1 mm) PTFE- hose (outer diameter 4 x 0.5 mm) |
| Dimensions | 80 x 130 x 250 mm, (W x H x D (height without stand rod) |
| Weight | 1 Kg |
The FOS/TAC ratio is a commonly used indicator for assessing the fermentation process within biogas reactors, where FOS is a measure of the volatile organic acids (measured in mg CH3COOH/l) and is TAC is a measure of the total inorganic carbon i.e. the alkaline buffer capacity of the system (measured in mg CaCO3/l). In simple terms, this ratio looks at acid vs alkaline in the system which helps...
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